Cita APA (7a ed.)

Summers, A. (1993). Official and confidential: The secret life of J. Edgar Hoover. G.P. Putnam's Sons.

Cita Chicago Style (17a ed.)

Summers, Anthony. Official and Confidential: The Secret Life of J. Edgar Hoover. New York, N.Y: G.P. Putnam's Sons, 1993.

Cita MLA (8a ed.)

Summers, Anthony. Official and Confidential: The Secret Life of J. Edgar Hoover. G.P. Putnam's Sons, 1993.